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National Stock Number:
3120-01-156-8763
Federal Supply Class:
3120
National Item Identification Number:
011568763
Description:
BEARING,WASHER,THRUST
Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.
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Manufacturer Information:
| 24241413 | 7X677 | GENERAL MOTORS LLC | | 3120PL0742208 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 8624196 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 5740348 | 34623 | AM GENERAL LLC | | 8624196 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.2880 INCHES MINIMUM AND 1.2980 INCHES MAXIMUM | | HARDNESS RATING | 72.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OVERALL | | LUBRICATION FEATURE | GROOVE LEFT SIDE | | LUBRICATION FEATURE | GROOVE RIGHT SIDE | | OUTSIDE DIAMETER | 1.7800 INCHES NOMINAL | | OVERALL THICKNESS | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 799 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES INNER LAYER | | MATERIAL | COPPER ALLOY OUTER LAYER | | MATERIAL | STEEL COMP 1005 OR STEEL COMP 1015 INNER LAYER | | SPECIAL FEATURES | 4 GROOVES EACH SIDE | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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